/*
 * Copyright (c) 2020 - present, Inspur Genersoft Co., Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.inspur.edp.udt.generator.api.typeprocessers.persistencevaluereader;

import com.inspur.edp.caf.generator.utils.ExpressionUtils;
import com.inspur.edp.udt.generator.UdtGeneratorContext;
import lombok.var;
import org.eclipse.jdt.core.dom.ConditionalExpression;
import org.eclipse.jdt.core.dom.InfixExpression;
import org.eclipse.jdt.core.dom.MethodInvocation;
import org.eclipse.jdt.core.dom.Statement;

public class SimpleUdtEnumPersistanceGenerator extends UdtEnumPersistenceValueGenerator {
    public SimpleUdtEnumPersistanceGenerator(UdtGeneratorContext udtGenCtx,
        Class processorType, String propertyName) {
        super(udtGenCtx, processorType, propertyName);
    }

    @Override
    public Statement getPropValueStatement() {
        var frag = ast.newVariableDeclarationFragment();
        MethodInvocation invocation = ExpressionUtils.getMethodInvocation(ast, asDataVarName, "get" + propertyName);
//        MethodInvocation getValueInvocation = ExpressionUtils.getMethodInvocation(ast, invocation, "ordinal");

        ConditionalExpression conditionalExpression = ast.newConditionalExpression();
        InfixExpression infixExpression = ast.newInfixExpression();
        infixExpression.setLeftOperand(ExpressionUtils.getMethodInvocation(ast, asDataVarName, "get" + propertyName));
        infixExpression.setOperator(InfixExpression.Operator.EQUALS);
        infixExpression.setRightOperand(ast.newNullLiteral());
        conditionalExpression.setExpression(infixExpression);
        conditionalExpression.setThenExpression(ast.newNullLiteral());
        conditionalExpression.setElseExpression(invocation);

        frag.setInitializer(conditionalExpression );
        frag.setName(ast.newSimpleName(valueVarName));
        var statement = ast.newVariableDeclarationStatement(frag);
        statement.setType(ast.newSimpleType(ast.newSimpleName("Object")));

        return statement;
    }
}
